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SUBMINRES. A modified implementation of MINRES to monitor residual subvector norms for block systems

Herzog, Roland; Soodhalter, Kirk M.

This code is a modified implementation of the MINRES method by Paige & Saunders. It allows the user to monitor the (preconditioned) norms of selected subvectors of the residual vector with minimal additional effort. The user may specify stopping criteria related to any or all of these quantities.

Files (1.2 MB)
Name Size
subminres.m
md5:d41328ad39429218dbdcdb4d4a4813fd
13.6 kB Download
subminres_example.m
md5:2c0a0677a70d479f16a3fc7dd57e61e3
2.0 kB Download
subminres_example.mat
md5:67e4c8175ed900ce64fc0de7f1be0449
1.1 MB Download

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